DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood material. It controls engine heat and noise that is often a problem with today's modified vehicles packed with high performance components. These pre-cut hood insulation kits are the perfect replacement for your worn out, dirty hood liner, while protecting your paint from engine heat and chemicals. Each kit is custom CNC cut and have an aggressive adhesive backing makes for an easy installation.